Allow the libraries, but not the tool, to multi-target .NET 8

Author: tannergooding

scripts/build.ps1

@@ -182,6 +182,7 @@ try {
     $DotNetInstallDirectory = Join-Path -Path $ArtifactsDir -ChildPath "dotnet"
     Create-Directory -Path $DotNetInstallDirectory
 
+    & $DotNetInstallScript -Channel 8.0 -Version latest -InstallDir $DotNetInstallDirectory -Architecture $architecture
     & $DotNetInstallScript -Channel 10.0 -Version latest -InstallDir $DotNetInstallDirectory -Architecture $architecture
 
     $env:PATH="$DotNetInstallDirectory;$env:PATH"

scripts/build.sh

@@ -222,6 +222,7 @@ if [[ ! -z "$architecture" ]]; then
   DotNetInstallDirectory="$ArtifactsDir/dotnet"
   CreateDirectory "$DotNetInstallDirectory"
 
+  . "$DotNetInstallScript" --channel 8.0 --version latest --install-dir "$DotNetInstallDirectory" --architecture "$architecture"
   . "$DotNetInstallScript" --channel 10.0 --version latest --install-dir "$DotNetInstallDirectory" --architecture "$architecture"
 
   PATH="$DotNetInstallDirectory:$PATH:"

sources/ClangSharp.Interop/ClangSharp.Interop.csproj

@@ -2,7 +2,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net10.0</TargetFrameworks>
+    <TargetFrameworks>net8.0;net10.0</TargetFrameworks>
   </PropertyGroup>
 
   <PropertyGroup>

sources/ClangSharp.PInvokeGenerator/ClangSharp.PInvokeGenerator.csproj

@@ -3,7 +3,7 @@
 
   <PropertyGroup>
     <RootNamespace>ClangSharp</RootNamespace>
-    <TargetFrameworks>net10.0</TargetFrameworks>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 
   <PropertyGroup>

sources/ClangSharp/ClangSharp.csproj

@@ -2,7 +2,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net10.0</TargetFrameworks>
+    <TargetFrameworks>net8.0;net10.0</TargetFrameworks>
   </PropertyGroup>
 
   <PropertyGroup>

sources/ClangSharp/Cursors/Decls/FieldDecl.cs

@@ -43,7 +43,11 @@ private protected FieldDecl(CXCursor handle, CXCursorKind expectedCursorKind, CX
                 name = name[anonymousNameStartIndex..];
             }
 
+#if NET8_0
+            if (name.StartsWith("("))
+#else
             if (name.StartsWith('('))
+#endif
             {
                 Debug.Assert(name.StartsWith("(anonymous enum at ", StringComparison.Ordinal) ||
                                  name.StartsWith("(anonymous struct at ", StringComparison.Ordinal) ||
@@ -52,7 +56,12 @@ private protected FieldDecl(CXCursor handle, CXCursorKind expectedCursorKind, CX
                                  name.StartsWith("(unnamed struct at ", StringComparison.Ordinal) ||
                                  name.StartsWith("(unnamed union at ", StringComparison.Ordinal) ||
                                  name.StartsWith("(unnamed at ", StringComparison.Ordinal));
+
+#if NET8_0
+                Debug.Assert(name.EndsWith(")"));
+#else
                 Debug.Assert(name.EndsWith(')'));
+#endif
 
                 return true;
             }

sources/ClangSharp/TranslationUnit.cs

@@ -15,7 +15,12 @@ namespace ClangSharp;
 public sealed unsafe class TranslationUnit : IDisposable, IEquatable<TranslationUnit>
 {
     private static readonly ConcurrentDictionary<CXTranslationUnit, WeakReference<TranslationUnit>> s_createdTranslationUnits = new ConcurrentDictionary<CXTranslationUnit, WeakReference<TranslationUnit>>();
+
+#if NET8_0
+    private static readonly object s_createTranslationUnitLock = new object();
+#else
     private static readonly Lock s_createTranslationUnitLock = new Lock();
+#endif
 
     private readonly Dictionary<CXCursor, WeakReference<Cursor>> _createdCursors;
     private readonly Dictionary<CX_TemplateArgument, WeakReference<TemplateArgument>> _createdTemplateArguments;

sources/ClangSharpPInvokeGenerator/ClangSharpPInvokeGenerator.csproj

@@ -6,7 +6,7 @@
     <PackAsTool>true</PackAsTool>
     <PublishAot>true</PublishAot>
     <RuntimeIdentifiers>linux-arm64;linux-x64;osx-arm64;win-arm64;win-x64</RuntimeIdentifiers>
-    <TargetFrameworks>net10.0</TargetFrameworks>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)' != 'Debug'">

tests/ClangSharp.PInvokeGenerator.UnitTests/ClangSharp.PInvokeGenerator.UnitTests.csproj

@@ -3,7 +3,7 @@
 
   <PropertyGroup>
     <RootNamespace>ClangSharp.UnitTests</RootNamespace>
-    <TargetFrameworks>net10.0</TargetFrameworks>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 
   <PropertyGroup>

tests/ClangSharp.UnitTests/ClangSharp.UnitTests.csproj

@@ -2,7 +2,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net10.0</TargetFrameworks>
+    <TargetFrameworks>net8.0;net10.0</TargetFrameworks>
   </PropertyGroup>
 
   <PropertyGroup>